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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya
M. Nurhuda
Physics Department, Faculty of Mathematics & Natural Sciences, Brawijaya University
Physics

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EFFECT OF ADDITIONAL Ni METAL DOPANTS ON OPTICAL ABSORPTION PROPERTIES AND CRYSTAL STRUCTURE OF ZnO PHOTOCATALYST MATERIALS Istiroyah Istiroyah; H. Harsono; M. Nurhuda; T.S. Utami; A.A. Dardiri; Y. Engge; F. Maulana
Jurnal Neutrino:Jurnal Fisika dan Aplikasinya Vol 15, No 2 (2023): APRIL
Publisher : Department of Physics, Maulana Malik Ibrahim State Islamic University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18860/neu.v15i2.17514

Abstract

The addition of Ni metal dopants to the ZnO photocatalyst material has been carried out using the immersion method followed by sonication. The variables observed included variations in the concentration of addition of Ni and sonication time. The results of the optical absorption analysis from the uv-vis test showed that the optimum condition was reached at a concentration of 25% Ni and a sonication time of 30 minutes. The optical absorption peak has shifted towards the wavelength of visible light and new absorption peaks have been observed in the wavelength range of 425-450 nm and 650-750 nm. The energy band gap also decreased from 3.22 eV to 3.09 eV. While the crystal size analysis of the XRD diffraction pattern showed a decrease in the crystal size at 25%Ni from 105.012nm to 78.545nm.
Co-Authors A.A. Dardiri Frendi Maulana H. Harsono Istiroyah Istiroyah T.S. Utami Y. Engge